IITRI 10 TON 1968 SHOT SERIES
Technical progress rept. no. 20
UNDERWATER SYSTEMS INC ROCKVILLE MD
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Two 10 ton charges composed of slurry type explosives designed to be detonated underwater were detonated on February 16 and 21 GMT 1968. The explosives were housed in a container specially designed by IIT Research Institute. Shot number 1 detonated at 1,825 feet and decended with a terminal velocity of 18.9 ftsec. Shot number 2 detonated at 3,025 feet and decended with a terminal velocity of 18.8 ftsec. The charges had a yield equivalent to 12 to 13 tons of TNT on an energy basis. The bubble pulse period for these charges was equivalent to 21 tons of TNT.